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Finding the Fourth Proportional to 171,600.39, 236,824.16 and 103,651.11

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Solution

The fourth proportional to 171,600.39, 236,824.16 and 103,651.11 is: 143,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,600.39 : 236,824.16 = 103,651.11 : x
  2. Step 2: Convert to fraction form
    171,600.39/236,824.16 = 103,651.11/x
  3. Step 3: Cross multiply
    171,600.39x = 236,824.16 × 103,651.11
  4. Step 4: Simplify right side
    171,600.39x = 24,547,086,540.56
  5. Step 5: Solve for x
    x = 24,547,086,540.56/171,600.39
  6. Step 6: Final answer
    x = 143,047.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.